Device and method for destruction of cancer cells

a cancer cell and electric field technology, applied in the field of electric field delivery and nonthermal ablation of target tissue regions, can solve the problems of histological damage to the target tissue, and the difficulty of localizing the heat-induced damage of the thermal ablation to the targeted cancerous tissue, so as to achieve low-power or non-thermal ablation of target cells, the effect of avoiding tissue temperature elevation
US7722606B2Inactive Publication Date: 2010-05-25LAZURE SCI
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
LAZURE SCI
Publication Date
2010-05-25
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides devices and systems, as well as methods, of electric field delivery and non-thermal or selective ablation of target tissue regions, including selective ablation of cancerous cells and solid tumors. A method of the present invention includes delivering an electric field to a tissue, including positioning an electrode within a target tissue region comprising cancerous cells, and applying an alternating electrical current to the target tissue so as to non-thermally ablate cancerous cells of the target tissue region around the electrodes.
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Description

CROSS-REFERENCES TO RELATED APPLICATIONS

[0001] This application claims the benefit under 35 U.S.C. §119(e) of U.S. Provisional Patent Application No. 60 / 825,660, filed Sep. 14, 2006, and U.S. Provisional Patent Application No. 60 / 863,484, filed Oct. 30, 2006, the full disclosures of which are incorporated herein by reference.

[0002] This application is related to U.S. Application No. 11 / 855,940, entitled “Ablation Probe With Deployable Electrodes,” filed on Sep. 14, 2007, and U.S. application Ser. No. 11 / 855,977, entitled “Tissue Ablation and Removal,” filed on Sept. 14, 2007, both of which are being filed concurrently herewith, the full disclosures of which are incorporated herein by reference.BACKGROUND OF THE INVENTION

[0003] The present invention relates generally to electric field delivery to tissue regions. More specifically, the present invention relates to electric field delivery and non-thermal ablation of target tissue regions, including selective ablation of cancerous cells an...

Claims

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